861591-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861591-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,5,9 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 861591-64:
(8*8)+(7*6)+(6*1)+(5*5)+(4*9)+(3*1)+(2*6)+(1*4)=192
192 % 10 = 2
So 861591-64-2 is a valid CAS Registry Number.